Grape Seed Extract CAS 84929-27-1
Grape seed extract is a polyphenolic substance extracted from grape seeds.
Lutein powder C₄₀H₅₆O₂
I. Basic DefinitionsLutein powder is a lipid-soluble functional raw material made from marigold as the core ingredient through extraction, saponification, purification, and drying. It is divided into two types: free lutein powder and lutein ester powder. The mainstream on the market is lutein ester

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